Need a tool to scan network for SQL Server Instances
Can anyone recommend a tool (preferably a free one) that I can use to scan the network for installed instances of MS SQL Server? Specifically, I'm looking for a tool that can differentiate between the different versions of SQL such as MSDE, SQL Express, 2000, 2005, and 2008. If it could give me the service pack level that would be a nice bonus as well. Thanks.